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Environmental fate & pathways

Biodegradation in soil

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Description of key information

Data are available for the read-across substance TAME. Rapid and reliable biodegradation of TAME in soil can not be assumed under environmental conditions indicating very slow degradation in soil.

Key value for chemical safety assessment

Additional information

Based on the considerations described in the document “Read-across substantiation C5-6 branched alkylmethyl-ethers” (incl. the supporting references Tuppurainen et al., 2007 and Niska et al., 2008), it can be concluded that the available information of TAME can be used to predict the biodegradation in soil of the substance ‘C5-6 branched alkylmethyl-ethers’ with sufficient certainty.

Based on the few studies available it may be concluded that rapid and reliable biodegradation of TAME in soil can not be assumed in any normal environmental conditions indicating very slow degradation in soil (Jensen and Arvin, 1990; Mormile et al., 1994; Zenker et al., 1999). The biodegradability of TAME in soil in aerobic and anaerobic conditions seems to be very slow and favourable conditions for degradation are difficult to attain.